From patchwork Tue Jun 29 12:18:47 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anand Moon X-Patchwork-Id: 468436 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E4727C11F66 for ; Tue, 29 Jun 2021 12:19:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C7D8761D8A for ; Tue, 29 Jun 2021 12:19:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233589AbhF2MWA (ORCPT ); Tue, 29 Jun 2021 08:22:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44488 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233278AbhF2MV7 (ORCPT ); Tue, 29 Jun 2021 08:21:59 -0400 Received: from mail-pf1-x433.google.com (mail-pf1-x433.google.com [IPv6:2607:f8b0:4864:20::433]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 36078C061760; Tue, 29 Jun 2021 05:19:32 -0700 (PDT) Received: by mail-pf1-x433.google.com with SMTP id s137so9395845pfc.4; Tue, 29 Jun 2021 05:19:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=LbbWX3kzjiR8qd3C6tMA1iMcCJEbQrwW1wisqFEE6eo=; b=CiwrAGbBBkL09wtznxor+hUawt4GMD+TAkpbAhW9CEWWlP9Ru2jLMxVNUPAvfBChCv rYDOPDhCo5wSXqKraUIZLSKSglwd8WEurGvSpIHkP/spzMrtsm0GSPE23P/TonQ52Z/4 qNZCTzkIVPBTyj6O1mcJbB/0Xc47w00n4H/53wgV+SvHjINdH21anWu7snAwjeS0qHWX +UcZJEMaUyEKk3pnGwX8HPnFCJAR5kr9tiLGEFRs+qOKTfPhr7SS8mgmHrSdNaZN7kBV ZBGFIzQ3efamjm7nk8QP2gCZ3TXsb8T02S/1pdavlqdD5w+S4Q2iwN4ABMIKqHOIcNUs c4ow== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=LbbWX3kzjiR8qd3C6tMA1iMcCJEbQrwW1wisqFEE6eo=; b=TvdUGLl407ZbV9hLyKK81zsb5SqXYAgBCoP3Gl8aI0Karm4V1QphrmvguRcXDO6W04 QkHz1IvN/a8GIWcdzCMt9FajFP9ieQNrk3zA2sG1DO9324u/vBNzqOtq1WDTOtWOze4j /roXLbpveGt0Z+KBGPOCgtR441kJ24lsGGhzRAdYhfXpZVO9K3OhtVncmslyDBKo/9bH MWN6yrlEKrt5G1Tvww/JvmnB91TsZwGuTQxxEeIauyADqN8AfA9qaWrEXZgMiBV+XDef u8WcWKxDc8jx/6XaWkI/+4/iGKykWOQBd1u2UiLfCvbWTRmyGpuLV7KxsGI05vNElUeX U5qA== X-Gm-Message-State: AOAM531bd0l+RKK4u/3PQIKdJHwFLNZq2WXT76hch8sZ0vZJCbSqm8V/ pc8wUafuX4yzWA71HfCeT/Y= X-Google-Smtp-Source: ABdhPJwgEWD9yoqfctTRjncqD3b1L4F/TJFDXJAVBNMjtgkexqbPnBFFhHtf1MWe8URlnVLgjXJmSA== X-Received: by 2002:a63:df0f:: with SMTP id u15mr327288pgg.57.1624969171830; Tue, 29 Jun 2021 05:19:31 -0700 (PDT) Received: from archl-c2lm.. ([103.51.72.37]) by smtp.gmail.com with ESMTPSA id gg5sm8314730pjb.42.2021.06.29.05.19.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 29 Jun 2021 05:19:31 -0700 (PDT) From: Anand Moon To: linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Anand Moon , Neil Armstrong , Rob Herring , Kevin Hilman , Jerome Brunet , Martin Blumenstingl , devicetree@vger.kernel.org Subject: [PATCHv1] arm64: amlogic: Fix the pwm regulator supply property in node Date: Tue, 29 Jun 2021 12:18:47 +0000 Message-Id: <20210629121848.6527-1-linux.amoon@gmail.com> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On enable CONFIG_REGULATOR_DEBUG=y we observer below debug logs. Changes help link VDDCPU_A and VDDCPU_B pwm regulator to 12V regulator supply instead of dummy regulator. [ 4.147196] VDDCPU_A: will resolve supply early: pwm [ 4.147216] pwm-regulator regulator-vddcpu-a: Looking up pwm-supply from device tree [ 4.147227] pwm-regulator regulator-vddcpu-a: Looking up pwm-supply property in node /regulator-vddcpu-a failed [ 4.147258] VDDCPU_A: supplied by regulator-dummy [ 4.147288] regulator-dummy: could not add device link regulator.12: -ENOENT [ 4.147353] VDDCPU_A: 721 <--> 1022 mV at 871 mV, enabled [ 4.152014] VDDCPU_B: will resolve supply early: pwm [ 4.152035] pwm-regulator regulator-vddcpu-b: Looking up pwm-supply from device tree [ 4.152047] pwm-regulator regulator-vddcpu-b: Looking up pwm-supply property in node /regulator-vddcpu-b failed [ 4.152079] VDDCPU_B: supplied by regulator-dummy [ 4.152108] regulator-dummy: could not add device link regulator.13: -ENOENT Fixes: d14734a04a8a ("arm64: dts: meson-g12b-odroid-n2: enable DVFS") Cc: Neil Armstrong Signed-off-by: Anand Moon --- arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi index 344573e157a7..4f33820aba1f 100644 --- a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi @@ -130,7 +130,7 @@ vddcpu_a: regulator-vddcpu-a { regulator-min-microvolt = <721000>; regulator-max-microvolt = <1022000>; - vin-supply = <&main_12v>; + pwm-supply = <&main_12v>; pwms = <&pwm_ab 0 1250 0>; pwm-dutycycle-range = <100 0>; @@ -149,7 +149,7 @@ vddcpu_b: regulator-vddcpu-b { regulator-min-microvolt = <721000>; regulator-max-microvolt = <1022000>; - vin-supply = <&main_12v>; + pwm-supply = <&main_12v>; pwms = <&pwm_AO_cd 1 1250 0>; pwm-dutycycle-range = <100 0>;